From 12005ab922c2620a0a92cc15ccdf516f6fc0d650 Mon Sep 17 00:00:00 2001
From: litong <litong@iie.ac.cn>
Date: Mon, 6 May 2019 07:18:49 +0800
Subject: [PATCH] use /proc/bus/pci/devices to idenetify a kvm guest

---
 host/host_linux.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/host/host_linux.go b/host/host_linux.go
index 03b3407..857085e 100644
--- a/host/host_linux.go
+++ b/host/host_linux.go
@@ -566,6 +566,17 @@ func VirtualizationWithContext(ctx context.Context) (string, string, error) {
 		}
 	}
 
+	filename = common.HostProc("bus/pci/devices")
+	if common.PathExists(filename) {
+		contents, err := common.ReadLines(filename)
+		if err == nil {
+			if common.StringsContains(contents, "virtio-pci") {
+				system = "kvm"
+				role = "guest"
+			}
+		}
+	}
+
 	filename = common.HostProc()
 	if common.PathExists(filepath.Join(filename, "bc", "0")) {
 		system = "openvz"